Patents by Inventor Richard W. Bertsche

Richard W. Bertsche has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Direct drive multiple axes rotary spindle head for milling machine
    Patent number: 5584621
    Abstract: A gearless, direct drive, multiple axes rotary head for a machine tool is provided which includes a spindle mounted to the rotary head for rotation thereon about multiple axes and a plurality of motors coupled to the head and spindle for directly driving and controlling the rotation the head and spindle about the multiple axes respectively.
    Type: Grant
    Filed: June 13, 1995
    Date of Patent: December 17, 1996
    Assignee: Bertsche Engineering Corp.
    Inventors: Richard Bertsche, Richard W. Bertsche